1、Unit 2 第3课时.单项填空1We _have proved great adventurers, but we have done the greatest march ever made in the past ten years.Aneednt Bmay notCshouldnt Dmustnt答案：B句意：我们或许还没有证明是伟大的科学探索者，但我们已经取得了在过去的10年里最大的进展。may not have过去分词 “可能还没有”。2The weather turned out to be fine yesterday.I_the trouble to carry my umb
2、rella with me.Ashould have taken Bcould have takenCneednt have taken Dmustnt have taken答案：C句意：昨天天气很好。我本没有必要这么麻烦带把伞的。“neednt have过去分词”，“本来不必做某事而实际上已经做了”。3As you worked late yesterday, you_have come this morning.Amaynt BcantCmustnt Dneednt答案：D句意：既然昨天你工作到那么晚，今天早上你就没有必要来了。“neednt have过去分词”，“本来不必做某事而实际上已
3、经做了。”4He paid for a seat, when he_have entered free.Acould BwouldCmust Dneed答案：A句意：“他花钱买了张票，然而他本可以免费入场的”。本题的关键在于when一词，在本句中表示“尽管，虽然”。此外：“could have 过去分词”表示“本来可能发生但由于某种原因而没有发生的行为”，属于“虚拟语气”的用法。5He_have completed his work; otherwise, he wouldnt be enjoying himself by the seaside.Ashould BmustCwouldnt D
4、cant答案：B句意：他的工作一定完成了；否则的话，他不可能会在海边玩得那么开心。“must have过去分词” 表示“对过去时间里可能发生的事情的肯定推测”，语气较强，具有“肯定，谅必”的意思。6This cake is very sweet.You_a lot of sugar in it.Ashould put Bcould have putCmight put Dmust have put答案：D句意：这块蛋糕非常甜。你肯定在里面放了许多糖。本题设计巧妙，蛋糕甜的原因肯定是在里面放了一些糖。“must have过去分词” 表示“对过去时间里可能发生的事情的肯定推测”，语气较强，具有“肯
5、定，谅必”的意思。7Tom is never late for work. Why is he absent today?Something_to him.Amust happen Bshould have happenedCcould have happened Dmust have happened答案：D句意：“汤姆上班从不迟到的。今天为何没来上班呢？”“他一定出事了。” 推测过去一定发生了某事，采用must have过去分词； 在肯定句中，推测过去可能或也许发生了某事，采用may/might/could have 过去分词。8Do you know where David is? I
6、couldnt find him anywhere.Well. He_have gone farhis coats still here.Ashouldnt BmustntCcant Dwouldnt答案：C句意：“你知道大卫去哪儿了吗？”“到处也找不到他。”“他一定没到远处去他的外套还在这儿呢。”cant have过去分词：推测过去某个动作一定没有发生。9Catherine, I have cleaned the room for you.Thanks. You_it. I could manage it myself.Aneednt do Bneednt have doneCmustnt
7、do Dshouldnt have done答案：B句意：“凯瑟琳，房间我已经为你打扫好了。”“谢谢。 你没有必要这么做的。我自己能行。” neednt have done “本来不必做某事而实际上已经做了”。10I_have been more than six years old when the accident happened.Ashouldnt BcouldntCmustnt Dneednt答案：B句意：车祸发生时，我一定不超过6岁。“couldnt have done” 用于对过去情况的否定推测，表示某事一定没发生。mustnt表示“禁止做”， 不用于否定推测。11I was o
8、n the highway when this car went past followed by a police car. They_at least 150 kilometers an hour.Ashould have been doingBmust have been doing Ccould have doneDwould have done答案：B句意：他们当时的车速至少是每小时150千米。must have been doing用于肯定句，表示“推测过去某一动作正在发生”。12The woman biologist stayed in Africa studying wild
9、animals for 13 years before she returned.Oh, dear! She _a lot of difficulties.Amay go throughBmight go throughCought to have gone throughDmust have gone through答案：D句意：“哦！她一定经历了许多困难。” must have done表示“对过去时间里可能发生的事情的推测”，语气较强，具有“肯定，谅必”的意思。在肯定句中，推测过去可能或也许发生了某事，采用may/might/could have done。13I have lost o
10、ne of my gloves. I_it somewhere.Amust drop Bmust have droppedCmust be dropping Dmust have been dropped答案：B句意：我的一只手套丢了。我一定把它丢在某个地方了。推测过去一定发生了某事，采用must have done。14Mr. White_at 830 for the meeting, but he didnt show up.Ashould have arrived Bshould arriveCshould have had arrived Dshould be arriving答案：A
11、句意：怀特先生本该830出席会议，但是他没有到场。“should/ought to have过去分词”表示：过去本应该做某事而没有做到；含有责备或遗憾的意思。例如： I told Sally how to get here, but perhaps I should have written it out for her.(NMET 94) The plant is dead. I should have given it more water.(MET 87)15Ill tell Mary about her new job tomorrow. You_her last week.Aough
12、t to tell Bwould have toldCmust tell Dshould have told答案：D句意：上周你就应该告诉她的。“should/ought to have过去分词”表示：过去应该做某事而没有做到；含有责备或遗憾的意思。.完形填空阅读下面短文，理解大意，从题中所给的A、B、C、D四个选项中选出一个最佳答案。Enough sleep is important to health. The amount of sleep 1depends on the age of the person and the conditions in which sleep2. The
13、young may need more sleep than the old, but3eight hours is enough for the 4of grownups. Some can do with less than this amount, but5may need more. Every person knows his own6. It is then a matter of how to7it. Sleep should always be enough to make one relaxed and ready for8work.Fresh air is9to sound
14、 sleep(酣睡). It is reasonable for some people to10that it is practical to sleep in the open air.11a person can keep himself warm，12sleeping probably gives the body13complete relaxation.Ability to sleep is largely a 14. The conditions referred to only lead to sleep. Outofdoor15， a good habit of regula
15、r16and the avoidance(避免)of late eating and worry are all helpful to sound sleep. Such factors(因素) are largely within the 17of any person. A bath at 18， neither hot nor cold but of 19temperature, may be helpful to sleep. Sleeping pills should never be taken except when suggested by20.文章大意：你失眠过吗？如果有，下
16、面的小短文会给一些改善睡眠的建议。不妨试试。1A.wished BexpectedCneeded Dwanted答案：C这里强调客观上通常所需的睡眠量，不是主观愿望。2A.falls down Bbreaks outCwakes up Dtakes place答案：D本句的完整意思应是“所需的睡眠量取决于人的年龄以及睡眠所处的环境”。3A.seldom BsometimesCalways Dgenerally答案：D本文所述的是通常情况，而不是偶尔的情况，也不是绝对情况。4A.health BheadsCnight Dwork答案：A对于成年人而言，8小时的睡眠时间足够了。5A.childre
17、n BwomenCothers Dfew答案：C根据前面的Some，这里应用others，指另一些人的情况，两者相对应。6A.need BconditionsCage Dsleep答案：A根据上文，这里作者认为，每一个人实际上都知道他自己的需要。7A.help BsatisfyCdemand Dtake答案：B既然每一个人都知道自己需要多少睡眠时间，那么应该是满足这一需要。8A.hard Bhis ownCa days Dgood答案：C指任何一天的工作。而不是仅对繁重的工作或对自己的工作而言。9A.necessary BableCgood Dbest答案：A指清新的空气对酣睡是必要的。10A
18、.suggest BunderstandCinsist Dagree答案：C从上下文来看这不是某些人的建议，而是他们坚持的一个事实。11A.As BWhereCWhile DWhen答案：D户外睡眠有一个条件， 那就是必须不着凉，这里when相当于if，表条件。12A.good BcoldCoutofdoor Dinside答案：C与前一句相呼应，这里指户外睡眠。13A.a strong Ba mostCa bad Dan exciting答案：Bmost前用不定冠词，相当于very，语气较强。14A.practice BpleasureCproblem Dhabit答案：D一个人的睡眠还有一
19、个能力问题，而能睡不能睡主要还是一个人的生活习惯问题。15A.walks BexercisesCtrips Dhousework答案：A指户外散步的习惯，walk作“散步”解时为可数名词。B项应用单数exercise。16A.hours BdrinkingCdreams Dmedicine答案：B指有节制的饮酒习惯。17A.fight BplanCcontrol Dthought答案：C上述生活习惯任何人都是可以调节或控制的。18A.any time BbedtimeCmidnight Dlunchtime答案：B指睡觉前的洗澡习惯，其它时间均不符文意。19A.freezing Bboilin
20、gClow Dbody答案：D指相当于体温温度的洗澡水。20A.the sleeper Ba doctorCa child Dparents答案：B服用安眠药通常应遵医嘱。.阅读理解阅读下面的文章，从题中所给的A、B、C、D四个选项中选出最佳答案。ABelieve it or not, Americas favorite snack food is the potato chip. There is a story behind how it was first made. One might think that somewhere a genius thought up the first
21、 potato chips, but it didnt happen that way. Picture an elegant(优雅的)restaurant in Saratoga Springs, New York, in 1853. The Moon Lake Restaurants menu included Frenchfried potatoes, a popular food recipe(烹饪法)brought back from France by Thomas Jefferson. These were thickly cut potatoes, fried until go
22、lden brown and crisp on the outside. One evening a guest in the dining hall felt that his potatoes were too thick and sent them back to the kitchen. The cook sliced(切)some potatoes thinner than before and prepared them for the complaining guest. He was still not satisfied and sent them back again! B
23、y this time the cook was angry and decided to do exactly what the dinner guest wanted: slice the potatoes as thin as possible. Then they would be so crisp that the diner wouldnt be able to use his fork to eat them. When the paperthin browned potatoes arrived, the diner was pleased. He was so happy w
24、ith them that other guests started ordering the new potatoes. The cooks plan to stop the dinner guest from complaining did not turn out as he had planned. Soon Saratoga Chips appeared on the menu and became so popular that people wanted to take some home. The restaurant started selling small package
25、s of the potato chips. A few years later, they were selling all over the United States. But because the potatoes had to be peeled(削皮)by hand, it was a timeconsuming chore (苦差事) and potato chips were often out of stock(无库存). In the 1920s a mechanical potato peeler was invented and soon there were pot
26、ato chips in abundance(丰富). They gradually spread all over the world, and have remained popular ever since. 1. According to this passage, mass production of potato chips was made possible when _. A. potatoes could be peeled by machinesB. potatoes were peeled by a large number of cooksC. there was a
27、growing demand for themD. they first appeared in a Saratoga restaurant答案：A据“In the 1920s a mechanical potato peeler was invented and soon there were potato chips in abundance(丰富). They gradually spread all over the world, and have remained popular ever since.”。2. According to this passage, the cook
28、of the Moon Lake Restaurant_.Aenjoyed making potato chips very muchBplanned to sell potato chips everywhereCwanted to silence a complaining dinerDwas pleased that other guests liked the chips答案：C据“The cooks plan to stop the dinner guest from complaining did not turn out as he had planned.”判断。3. Pota
29、to chips have been popular in the US._. A. for more than 200 yearsB. ever since 1920 C. for less than 100 yearsD. since the 19th century 答案：D“1853年The Moon Lake Restaurant的菜单就包括Frenchfried potatoes，. The restaurant started selling small packages of the potato chips. A few years later, they were sell
30、ing all over the United States. ”。B(2010宁波六校高一期中)In the UK, most children have their midday meal at school, but in many schools, parents can choose what their children eat. The children can have a school luncha hot, cooked meal; or they can take a packed lunch with them, which usually includes cold
31、food like sandwiches.Often parents prepare lunches on_the_basis_of what their children want. Cathy, a mother of three children, told us, “My children have packed lunches, because they say they hate school dinners. I make 3 packed lunches every morning, so were like a sandwich bar in our kitchen in t
32、he morning.”However, another mother, Susan, made her choice based on the nutritious value of the food. She said, “My daughter always has school dinners. I think she probably gets healthier food by having a cooked lunch at school than she would if I made sandwiches.”But how healthy are school dinners
33、? Kaz, a father, wasnt impressed with them. “Fizzy (有泡沫的) drinks were offered and I think there were a lot of chips.”The question of how healthy school food is was brought to Jamie Oliver, who launched a campaign to improve childrens nutrition, after spending a year working in a school kitchen. The
34、TV series about the campaign won an award this week.He was horrified(惊恐的)at the junk food he saw being served, which included burgers, pizza and chips. He decided to ban the junk, and started cooking good stews(炖菜)and curries for the children instead.Jamie improved the school dinners in that particu
35、lar school, and trained the dinner ladies to cook healthy food. Then he put pressure on the government to improve the standards of school food across the country. And it looks as if the changes have begun.文章大意：你讨厌学校提供的饮食吗？让我们看看英国学校的情况如何？4What would be the best title for the passage?ASchool Dinners B
36、Healthy FoodCDinners in the UK DResearch on Dinners答案：A主旨大意题。全文讲述的是学校饮食的问题，所以A项符合。5The underlined phrase “on the basis of” in the second paragraph probably means“_”Aby comparison Baccording toCin spite of Dfor the good of答案：B猜测词义题。所在句句意为“通常父母会按照孩子的要求准备午饭”。6We can learn from the passage that_.Ain Bri
37、tain, all children have their lunch at schoolBCathys children like school dinnersCstews and curries are healthy food DJamie Oliver works in a school kitchen答案：C细节理解题。由倒数第二段可知，Jamie非常吃惊地发现学校提供汉堡包、披萨和薯条这些垃圾食品。他决定禁绝这些垃圾食品，用stews和curries来代替垃圾食品，所以不难看出stews和curries是健康的饮食。7Which of the following can be inferred from the passage?AThere are many schools in Britain.BSusan chooses food for her daughter according to its nutrition.CIn the past, the food provided by British schools was not healthy enough.DNone of the parents in Britain like school food.答案：C推理判断题。由最后两段可推知，过去，英国学校提供的饮食是不健康的。
